Truss Form is committed to ensuring that all timber we use in the manufacture of trussed rafters and metal web joists is sourced from legal and sustainably managed forests. To validate this Truss Form have chain of custody under the PEFCC certification scheme which is the world’s largest forestry certification. Truss Forms registration No. is BMT-PEFC-0716 and a copy of the current certificate can be downloaded from the link below